'Ap internet r1 mac' diaporamas de présentation

Last class

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Elements of a wireless network

wireless hosts laptop, PDA, IP phone run applications may be stationary (non-mobile) or mobile wireless does not always mean mobility. network infrastructure. Elements of a wireless network. base station typically connected to wired network

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802.11 frame: addressing

6. 4. 2. 2. 6. 6. 6. 2. 0 - 2312. frame control. duration. address 1. address 2. address 3. address 4. payload. CRC. seq control. 802.11 frame: addressing. Address 3: used only in ad hoc mode. Address 1: MAC address of wireless host or AP to receive this frame.

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